getaddrinfo("3ffe:....?, ATM

[Maciej 'Agaran' Pijanka]

On Thu, 19 Oct 2000, Rafal Maszkowski wrote:

> On Thu, Oct 19, 2000 at 04:37:04PM +0200, Jan Rekorajski wrote:
> > [czwartek, 19 październik 2000], Rafal Maszkowski napisał(a):
> > > Dodaje wreszcie v6 do tcpblasta:
> > >         memset(&req, 0, sizeof(struct addrinfo));
> > >         req.ai_socktype = tcp? SOCK_STREAM:SOCK_DGRAM;
> > >         if (index(hostname, ':')) req.ai_flags = AI_NUMERICHOST;
> > >         if ( (err=getaddrinfo(hostname, port, &req, &ai0)) != 0 ) {
> > >                 printf( _("getaddrinfo(): %s (%d)\n"), gai_strerror(err), err);
> > >                 return 1;
> > >         }
> > > ale jezeli hostname jest z :, to
> > > ./tcpblast 3ffe:8010::1
> > > Sending non-random TCP data to 3ffe:8010::1 using 1024 B blocks.
> > > getaddrinfo(): Name or service not known (-2)
> > > Co jest zle?
> > IMHO brakuje tam jeszcze przed getaddrinfo()
> > req.ai_family = AF_UNSPEC;
> 
> Nie pomaga, probowalem juz PF_INET6. Ciekawe, ze adresy v4 dzialaja, mimo ze
> nie ustawiam NUMERICHOST dla nich. Moze ktos dobry przyklad do sciagania?
moze to cos pomoze ;)
-- CUT --
/*
   (C) 1999 Arkadiusz Miśkiewicz <misiek w pld.org.pl>
   Prosty resolver dla hostów IPv4 oraz IPv6
*/
#include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>

int main(int argc,char *argv[])
{

  struct addrinfo hints, *ai, *aitop;
  int gaierr;
  char addr[1025], addrip[1025];
 
  if (argc <= 1) {
	  printf("Usage:\t%s\t<host or ip addr>\n", argv[0]);
	  exit(1);
  }
	  
  memset(&hints, 0, sizeof(hints));
  hints.ai_family = PF_UNSPEC;
  hints.ai_socktype = SOCK_STREAM;
  gaierr = getaddrinfo(argv[1], NULL, &hints, &aitop);
  if (gaierr != 0) {
	  printf("Error\t%s\n", gai_strerror(gaierr));
	  exit(1);
  }
  gaierr = -1;
  printf("Resolving ... %s\n", argv[1]);
  for (ai = aitop; ai; ai = ai->ai_next) {
	  if (ai->ai_family != AF_INET && ai->ai_family != AF_INET6)
		  continue;
	  if (getnameinfo(ai->ai_addr, ai->ai_addrlen, addr, sizeof(addr),
			  NULL, 0, NI_NAMEREQD) != 0)
		  strcpy(addr, "unknown");
	  if (getnameinfo(ai->ai_addr, ai->ai_addrlen, addrip, sizeof(addrip),
			  NULL, 0, NI_NUMERICHOST) != 0)
		  strcpy(addrip, "unknown");
	  printf("fqdn: %s\tip addr: %s\n", addr, addrip);
  }
  freeaddrinfo(aitop);
-- CUT --
}
> 
> > > Wojsyl kupil mi ATM! Karty podobno juz leza na biurku.
> > :))) Teraz naciągnij jwra na skonfigurowanie ELANa :)
> 
> A sam to nie dam rady? Eee.. nie wiem, zobacze.
> 
> R.
> 

-- 
Maciej 'Agaran' Pijanka <agaran w agaran.6bone.pl> MAP2-6BONE
i386, Linux 2.2, Pine, Slrn, Vi(m), IPv6, Gdb, 
I do not fear computers.  I fear the lack of them.
                -- Isaac Asimov

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